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Note 12 - Stockholders' Equity (Details)
12 Months Ended 0 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 0 Months Ended 1 Months Ended 9 Months Ended 12 Months Ended 0 Months Ended 0 Months Ended 9 Months Ended 12 Months Ended 1 Months Ended 0 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 0 Months Ended 1 Months Ended 12 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 12 Months Ended 0 Months Ended 1 Months Ended 0 Months Ended 1 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended
Dec. 31, 2014
Jan. 23, 2014
USD ($)
Dec. 31, 2013
Dec. 31, 2014
PDH [Member]
Oct. 01, 2014
Agriphar [Member]
USD ($)
Oct. 01, 2014
Agriphar [Member]
EUR (€)
Dec. 31, 2014
Agriphar [Member]
USD ($)
Mar. 04, 2014
MacDermid [Member]
Oct. 31, 2013
MacDermid [Member]
USD ($)
Dec. 31, 2014
MacDermid [Member]
USD ($)
Dec. 31, 2013
MacDermid [Member]
Dec. 31, 2014
Series A Preferred Stock [Member]
Dec. 31, 2013
Series A Preferred Stock [Member]
Nov. 17, 2014
Successor [Member]
USD ($)
Apr. 03, 2014
Successor [Member]
USD ($)
May 22, 2013
Successor [Member]
USD ($)
Nov. 06, 2014
Successor [Member]
USD ($)
May 22, 2013
Successor [Member]
USD ($)
Dec. 31, 2013
Successor [Member]
USD ($)
Dec. 31, 2014
Successor [Member]
USD ($)
Dec. 31, 2013
Successor [Member]
Oct. 25, 2013
Successor [Member]
USD ($)
May 22, 2013
Successor [Member]
Founder Entities [Member]
USD ($)
Apr. 25, 2013
Successor [Member]
Founder Entities [Member]
Apr. 25, 2013
Successor [Member]
Founder Entities [Member]
USD ($)
Apr. 25, 2013
Successor [Member]
Mariposa Acquisition, LLC [Member]
Dec. 31, 2013
Successor [Member]
PDH [Member]
USD ($)
Dec. 31, 2014
Successor [Member]
PDH [Member]
USD ($)
Dec. 31, 2013
Successor [Member]
PDH [Member]
Jan. 01, 2014
Successor [Member]
PDH [Member]
May 22, 2013
Successor [Member]
Non-founder Directors [Member]
USD ($)
May 22, 2013
Successor [Member]
Founders [Member]
USD ($)
May 22, 2013
Successor [Member]
Two Independent Directors [Member]
USD ($)
Dec. 31, 2014
Successor [Member]
Agriphar [Member]
USD ($)
Oct. 01, 2014
Successor [Member]
Agriphar [Member]
Dec. 31, 2014
Successor [Member]
Agriphar [Member]
USD ($)
Dec. 31, 2014
Successor [Member]
Agriphar [Member]
EUR (€)
Nov. 03, 2013
Successor [Member]
Chemtura [Member]
Dec. 31, 2014
Successor [Member]
Chemtura [Member]
USD ($)
Oct. 25, 2013
Successor [Member]
MacDermid [Member]
USD ($)
Dec. 31, 2013
Successor [Member]
MacDermid [Member]
USD ($)
Oct. 25, 2013
Successor [Member]
MacDermid [Member]
USD ($)
May 22, 2013
Successor [Member]
Warrant Exchange Offer [Member]
USD ($)
Dec. 31, 2014
Successor [Member]
United States of America, Dollars
Agriphar [Member]
Dec. 31, 2014
Successor [Member]
Euro Member Countries, Euro
Agriphar [Member]
Dec. 31, 2014
Successor [Member]
Stock Dividends to Series A Preferred Stock Shareholders [Member]
USD ($)
May 22, 2013
Successor [Member]
Series A Preferred Stock [Member]
Founder Entities [Member]
Dec. 31, 2014
Successor [Member]
Series A Preferred Stock [Member]
Preferred Stock Conversion [Member]
Dec. 31, 2014
Successor [Member]
Series A Preferred Stock [Member]
Common Stock Conversion [Member]
Dec. 31, 2014
Successor [Member]
Minimum [Member]
PDH [Member]
Dec. 31, 2013
Successor [Member]
Maximum [Member]
PDH [Member]
Dec. 31, 2012
Predecessor [Member]
USD ($)
Nov. 17, 2014
Common Stock [Member]
Successor [Member]
USD ($)
Dec. 31, 2014
Common Stock [Member]
Successor [Member]
USD ($)
Nov. 17, 2014
Common Stock [Member]
Successor [Member]
USD ($)
Jan. 01, 2014
Common Stock [Member]
Successor [Member]
May 22, 2013
Common Stock [Member]
Successor [Member]
USD ($)
Dec. 31, 2014
Common Stock [Member]
Successor [Member]
Agriphar [Member]
Dec. 31, 2014
Common Stock [Member]
Successor [Member]
Chemtura [Member]
Nov. 17, 2014
Common Stock [Member]
Successor [Member]
Underwriter Options [Member]
USD ($)
Dec. 31, 2014
Common Stock [Member]
Successor [Member]
Weighted Average [Member]
Stock Dividends to Series A Preferred Stock Shareholders [Member]
USD ($)
May 22, 2013
Warrant [Member]
Successor [Member]
USD ($)
May 22, 2013
Warrant [Member]
Successor [Member]
Warrants and Rights Subject to Mandatory Redemption [Member]
Dec. 31, 2012
Preferred Stock [Member]
Predecessor [Member]
USD ($)
Apr. 25, 2013
Berggruen Acquisition Holdings, IV, Ltd [Member]
Successor [Member]
Series A Preferred Stock [Member]
Nov. 06, 2014
Private Placement [Member]
Successor [Member]
Oct. 08, 2014
Private Placement [Member]
Successor [Member]
May 20, 2014
Private Placement [Member]
Successor [Member]
USD ($)
Nov. 06, 2014
Private Placement [Member]
Successor [Member]
USD ($)
Oct. 08, 2014
Private Placement [Member]
Successor [Member]
USD ($)
Dec. 31, 2014
Shares Issued In Connection With 401(k) Exchange Agreement [Member]
Successor [Member]
USD ($)
Oct. 25, 2013
Shares Issued In Connection With 401(k) Exchange Agreement [Member]
Successor [Member]
MacDermid [Member]
Dec. 31, 2014
Shares Issued In Connection With 401(k) Exchange Agreement [Member]
Common Stock [Member]
Successor [Member]
USD ($)
Note 12 - Stockholders' Equity (Details) [Line Items]                                                                                                                                                  
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                          88,500,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
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        1,999,998us-gaap_StockIssuedDuringPeriodSharesNewIssues
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2us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_CounterpartyNameAxis
= pah_FounderEntitiesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
  1us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_CounterpartyNameAxis
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/ us-gaap_StatementScenarioAxis
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        29,500us-gaap_StockIssuedDuringPeriodSharesNewIssues
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/ us-gaap_TitleOfIndividualAxis
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380,952us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementScenarioAxis
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190,476us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementScenarioAxis
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/ us-gaap_TitleOfIndividualAxis
= pah_TwoIndependentDirectorsMember
                  13,462,280us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementScenarioAxis
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/ us-gaap_TransactionTypeAxis
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                  16,445,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
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/ us-gaap_StatementScenarioAxis
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                      1us-gaap_StockIssuedDuringPeriodSharesNewIssues
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/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
/ us-gaap_SubsidiarySaleOfStockAxis
= pah_BerggruenAcquisitionHoldingsIVLtdMember
9,404,064us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementScenarioAxis
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/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
16,060,960us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
15,800,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementScenarioAxis
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/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
        1,670,386us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
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/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
/ us-gaap_SubsidiarySaleOfStockAxis
= pah_SharesIssuedInConnectionWith401kExchangeAgreementMember
Preferred Stock, Value, Issued (in Dollars)                                                 $ 20us-gaap_PreferredStockValue
/ us-gaap_CounterpartyNameAxis
= pah_FounderEntitiesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
                                                                                               
Stock Issued During Period, Value, New Issues (in Dollars)                                             20,000,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_CounterpartyNameAxis
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/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
                                                                                        300,000,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
    18,400,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
/ us-gaap_SubsidiarySaleOfStockAxis
= pah_SharesIssuedInConnectionWith401kExchangeAgreementMember
   
Preferred Stock, Shares Outstanding                       2,000,000us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
2,000,000us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
        2,000,000us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementScenarioAxis
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                                                        2,000,000us-gaap_PreferredStockSharesOutstanding
/ us-gaap_CounterpartyNameAxis
= pah_FounderEntitiesMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
        315,144us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementScenarioAxis
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Common Stock Dividends, Shares                                                                                           10,050,290us-gaap_CommonStockDividendsShares
/ us-gaap_DividendsAxis
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/ us-gaap_StatementScenarioAxis
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Preferred Stock, Ordinary Share Market Price Appreciation, Dividend, Percentage                                                                                           20.00%pah_PreferredStockOrdinaryShareMarketPriceAppreciationDividendPercentage
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/ us-gaap_StatementScenarioAxis
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Share Price (in Dollars per share)   $ 0.01us-gaap_SharePrice                               $ 18.00us-gaap_SharePrice
/ us-gaap_StatementScenarioAxis
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                        $ 10.00us-gaap_SharePrice
/ us-gaap_StatementScenarioAxis
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/ us-gaap_TitleOfIndividualAxis
= pah_Non-founderDirectorsMember
$ 10.50us-gaap_SharePrice
/ us-gaap_StatementScenarioAxis
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/ us-gaap_TitleOfIndividualAxis
= pah_FoundersMember
$ 10.50us-gaap_SharePrice
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
/ us-gaap_TitleOfIndividualAxis
= pah_TwoIndependentDirectorsMember
                                          $ 24.50us-gaap_SharePrice
/ us-gaap_StatementEquityComponentsAxis
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/ us-gaap_StatementScenarioAxis
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  $ 10.00us-gaap_SharePrice
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/ us-gaap_StatementScenarioAxis
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      $ 23.16us-gaap_SharePrice
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/ us-gaap_StatementEquityComponentsAxis
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              $ 25.59us-gaap_SharePrice
/ us-gaap_StatementScenarioAxis
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/ us-gaap_SubsidiarySaleOfStockAxis
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$ 25.59us-gaap_SharePrice
/ us-gaap_StatementScenarioAxis
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/ us-gaap_SubsidiarySaleOfStockAxis
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    $ 11.00us-gaap_SharePrice
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Common Stock, Dividends, Per Share, Declared (in Dollars per share)                                                                                           $ 22.85us-gaap_CommonStockDividendsPerShareDeclared
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/ us-gaap_StatementScenarioAxis
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Convertible Preferred Stock, Shares Issued upon Conversion                                                                                               1us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion
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/ us-gaap_StatementClassOfStockAxis
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1us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion
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/ us-gaap_StatementClassOfStockAxis
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/ us-gaap_StatementScenarioAxis
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Other Preferred Stock Dividends and Adjustments (in Dollars)                                     172,000,000us-gaap_OtherPreferredStockDividendsAndAdjustments
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Stock Issued During Period, Value, Stock Options Exercised (in Dollars)                                                                                                                       2,145,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
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/ us-gaap_StatementEquityComponentsAxis
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/ us-gaap_StatementScenarioAxis
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Proceeds from Issuance of Common Stock (in Dollars)                           403,000,000us-gaap_ProceedsFromIssuanceOfCommonStock
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        1,019,500,000us-gaap_ProceedsFromIssuanceOfCommonStock
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1,512,600,000us-gaap_ProceedsFromIssuanceOfCommonStock
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                                            141,000,000us-gaap_ProceedsFromIssuanceOfCommonStock
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Payments of Stock Issuance Costs (in Dollars)                                                                                                         14,100,000us-gaap_PaymentsOfStockIssuanceCosts
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                            13,800,000us-gaap_PaymentsOfStockIssuanceCosts
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300,000us-gaap_PaymentsOfStockIssuanceCosts
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Stock Issued During Period, Shares, Acquisitions                                                                     711,551us-gaap_StockIssuedDuringPeriodSharesAcquisitions
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/ us-gaap_StatementEquityComponentsAxis
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Stock Issued During Period, Value, Acquisitions                                                                   18,200,000us-gaap_StockIssuedDuringPeriodValueAcquisitions
/ us-gaap_BusinessAcquisitionAxis
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15,000,000us-gaap_StockIssuedDuringPeriodValueAcquisitions
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Foreign Currency Exchange Rate, Translation                                                                                       1.21us-gaap_ForeignCurrencyExchangeRateTranslation1
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1.00us-gaap_ForeignCurrencyExchangeRateTranslation1
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Proceeds from Issuance of Private Placement (in Dollars)                                 652,000,000us-gaap_ProceedsFromIssuanceOfPrivatePlacement
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Exercise of warrants (in Shares)                                       16,244,694pah_CommonStockIssuedInConnectionWithWarrantExercises
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Class of Warrant or Right, Exercised During Period                                       48,734,082pah_ClassOfWarrantOrRightExercisedDuringPeriod
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Proceeds from Warrant Exercises (in Dollars)                                       187,000,000us-gaap_ProceedsFromWarrantExercises
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Warrants Redeemed                             8,580pah_WarrantsRedeemed
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Warrants Redeemed Price (in Dollars per share)                             $ 0.01pah_WarrantsRedeemedPrice
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Business Acquisition, Percentage of Ownership         100.00%pah_BusinessAcquisitionPercentageOfOwnership
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  3.00%pah_BusinessAcquisitionPercentageOfOwnership
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Business Combination, Consideration Transferred (in Dollars)         370,000,000us-gaap_BusinessCombinationConsiderationTransferred1
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300,000,000us-gaap_BusinessCombinationConsiderationTransferred1
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  1,800,000,000us-gaap_BusinessCombinationConsiderationTransferred1
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1,821,600,000us-gaap_BusinessCombinationConsiderationTransferred1
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Common Stock, Shares Issued Upon Conversion                                                           134,044pah_CommonStockSharesIssuedUponConversion
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                      1pah_CommonStockSharesIssuedUponConversion
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Common Stock, Par or Stated Value Per Share (in Dollars per share)                                           $ 1.00us-gaap_CommonStockParOrStatedValuePerShare
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Proceeds from Issuance Initial Public Offering (in Dollars)                               885,000,000us-gaap_ProceedsFromIssuanceInitialPublicOffering
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Class of Warrant or Right, Outstanding                                                                                                                             90,529,500us-gaap_ClassOfWarrantOrRightOutstanding
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Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share)                                                                                                           $ 11.50us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
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Class of Warrant or Right, Exercisable Time Period                                                                                                                           3 years                      
Class of Warrant or Right, Warrant Redemption Price (in Dollars)                                                                                                                           0.01pah_ClassOfWarrantOrRightWarrantRedemptionPrice
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Class of Warrant or Right, Threshold Consecutive Trading Days                                   10 days                                                                                                              
Sale of Stock, Price Per Share (in Dollars per share)                                                                                     $ 10.50us-gaap_SaleOfStockPricePerShare
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Warrants Exchanged Per Common Share                                                                                     3pah_WarrantsExchangedPerCommonShare
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Warrants Exchanged for Common Stock                                                                                     40,386,840pah_WarrantsExchangedForCommonStock
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Business Acquisition, Equity Interest Issued or Issuable, Value Assigned (in Dollars)             16,600,000us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned
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Annual Amount of Equity of Wholly Owned Subsidiary Eligible to be Exchanged for Common shares of the Company, Percentage                                                         25.00%pah_AnnualAmountOfEquityOfWhollyOwnedSubsidiaryEligibleToBeExchangedForCommonSharesOfTheCompanyPercentage
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Annual Amount of Equity of Wholly Owned Subsidiary Eligible To Be Exchanged For Common Shares Of The Company Period                                                         4 years                                                                                        
Common Stock Originally Issuable Upon Exchange, Shares                                         8,800,000pah_CommonStockOriginallyIssuableUponExchangeShares
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Income (Loss) Attributable to Noncontrolling Interest (in Dollars)                                                     1,400,000us-gaap_IncomeLossAttributableToNoncontrollingInterest
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6,400,000us-gaap_IncomeLossAttributableToNoncontrollingInterest
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Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners       6.66%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
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          6.66%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
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6.76%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
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Common shares issued 182,066,980us-gaap_CommonStockSharesIssued   103,571,941us-gaap_CommonStockSharesIssued                                                                                                 50,000,000us-gaap_CommonStockSharesIssued
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Common Stock, Shares, Outstanding 182,066,980us-gaap_CommonStockSharesOutstanding   103,571,941us-gaap_CommonStockSharesOutstanding                                                                                                 49,582,936us-gaap_CommonStockSharesOutstanding
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Preferred shares issued                       2,000,000us-gaap_PreferredStockSharesIssued
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2,000,000us-gaap_PreferredStockSharesIssued
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Preferred Stock, Dividend Rate, Percentage                                                                                                       9.00%us-gaap_PreferredStockDividendRatePercentage
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Dividends, Paid-in-kind (in Dollars)                                                                                                       $ 209,000,000us-gaap_DividendsPaidinkind
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